Twitter is widely expected to make public its IPO documents this week.
All the talk about a Twitter float got us thinking about the fundamental value of Twitter.
What is its true purpose? Who uses it... really? And just how will it make money?
I hit all those points with News Stream contributor Nicholas Thompson, editor of the NewYorker.com. He points out that Twitter is not as titanic as it's often made out to be.
Catch News Stream with Kristie Lu Stout weekdays at 8pm HKT/ 12pm GMT / 8am ET on CNN International.